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- W2355478082 abstract "Microwave digestion and atomic absorption spectrometry (AAS) technique was applied to the determination of traces of lead in eels. The sample was to learn the quantity transformation ragularity of the pressure, time, mixed acid ratio and sample quantity, then the optimum condition of microwave digestion was obtained: 2MPa,10minute, HNO3/H2O2 ratio 6:2,the weight of sample is about 0.2g. The detection limit (3s) of the method was found to be 0.008mg/kg.Linear relationship between the absorbance and concentration of Pb2+ ion in the range of 0 to 80μg/L was obtained.The precision test with 20μg/L of Pb2+ for 7 determinations gave a value of RSD of 2.6%. In application of the method to the analysis of different concentration of Pb2+ ,recoveries in the range of 95%~105% was obtained.The advantage of this method is convenient, fast, sensitive, accurate and the wide linear range." @default.
- W2355478082 created "2016-06-24" @default.
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- W2355478082 date "2007-01-01" @default.
- W2355478082 modified "2023-09-23" @default.
- W2355478082 title "Study on optimum condition of microwave digestion in determination of traces of lead in eels" @default.
- W2355478082 hasPublicationYear "2007" @default.
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